mat-icon.avatar{
    overflow: hidden;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 12px;
}

.scroll-container{
    overflow-y: scroll;
    height: 200px;
}

.image-container{
    position: relative;
    display: inline-block;
}

.image-container img{
    display: block;
}
.image-container .after{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    color: #FFF;
}

.image-container:hover .after{
    display: block;
    background: rgba(0, 0, 0, .6)
}

.image-container .after .zoom{
    color: #DDD;
    font-size: 48px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -30px 0 0 -19px;
    height: 50px;
    width: 45px;
    cursor: pointer;
}
.image-container .after .zoom:hover{
    color: #FFF;
}